This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

Twelve natural mummies are displayed in the crypt of this former monastery school.

The mummies of a fake priest and bandit's wife are among the abundant curiosities at this museum.

This ornate church designed by a self-taught architect is an eclectic masterpiece in the heart of Central Mexico.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

Stained glass windows bathe this botanical garden in cosmic light.

This Mexico City subway station will make you feel like you've been transported to the London Underground.

These subterranean models show Mexico City's central square during three different eras.

The museum houses "the most studied meteorite in history," among other geological oddities.

This museum houses two of Mexico's most impressive Aztec monoliths.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.